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WideChapter URL Buffer Overflow Vulnerability
Secunia Advisory: SA9739
Release Date: 2003-09-16
Popularity: 5,261 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software:WideChapter 3.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been identified in WideChapter, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when handling URLs. This can be exploited to cause a stack based buffer overflow overwriting the return address by tricking a user into viewing a malicious HTML document, which tries to open an overly long, specially crafted URL (517 characters or more).

Example:
<script>window.open("http://AAA...[x517]...AAA"</script>

The vulnerability has been confirmed in version 3.0.0.0 and prior versions are reportedly also affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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